'W00T, manual prefetch with collapse works'
);
-my $row = $rs->next;
-
TODO: {
+ my $row = $rs->next;
local $TODO = 'Something is wrong with filter type rels, they throw on incomplete objects >.<';
lives_ok {
is ($rs->cursor->next, undef, 'cursor exhausted');
+
TODO: {
local $TODO = 'this does not work at all, need to promote rsattrs to an object on its own';
# make sure has_many column redirection does not do weird stuff when collapse is requested
}
}
+# multi-has_many with underdefined root, with rather random order
+$rs = $schema->resultset ('CD')->search ({}, {
+ join => [ 'tracks', { single_track => { cd => { artist => { cds => 'tracks' } } } } ],
+ collapse => 1,
+ columns => [
+ { 'single_track.trackid' => 'single_track.trackid' }, # definitive link to root from 1:1:1:1:M:M chain
+ { 'year' => 'me.year' }, # non-unique
+ { 'tracks.cd' => 'tracks.cd' }, # \ together both uniqueness for second multirel
+ { 'tracks.title' => 'tracks.title' }, # / and definitive link back to root
+ { 'single_track.cd.artist.cds.cdid' => 'cds.cdid' }, # to give uniquiness to ...tracks.title below
+ { 'single_track.cd.artist.cds.year' => 'cds.year' }, # non-unique
+ { 'single_track.cd.artist.artistid' => 'artist.artistid' }, # uniqufies entire parental chain
+ { 'single_track.cd.artist.cds.genreid' => 'cds.genreid' }, # nullable
+ { 'single_track.cd.artist.cds.tracks.title' => 'tracks_2.title' }, # unique when combined with ...cds.cdid above
+ ],
+});
+
+for (1..3) {
+ $rs->create({ artist => 1, year => 1977, title => "fuzzy_$_" });
+}
+
+my $rs_random = $rs->search({}, { order_by => \ 'RANDOM()' });
+is ($rs_random->count, 6, 'row count matches');
+
+if ($ENV{TEST_VERBOSE}) {
+ my @lines = (
+ [ "What are we actually trying to collapse (Select/As, tests below will see a *DIFFERENT* random order):" ],
+ [ map { my $s = $_; $s =~ s/single_track\./sngl_tr./; $s } @{$rs_random->{_attrs}{select} } ],
+ $rs_random->{_attrs}{as},
+ [ "-" x 159 ],
+ $rs_random->cursor->all,
+ );
+
+ diag join ' # ', map { sprintf '% 15s', (defined $_ ? $_ : 'NULL') } @$_
+ for @lines;
+}
+
+my $queries = 0;
+$schema->storage->debugcb(sub { $queries++ });
+my $orig_debug = $schema->storage->debug;
+$schema->storage->debug (1);
+
+for my $use_next (0, 1) {
+ my @random_cds;
+ if ($use_next) {
+ while (my $o = $rs_random->next) {
+ push @random_cds, $o;
+ }
+ }
+ else {
+ @random_cds = $rs_random->all;
+ }
+
+ is (@random_cds, 6, 'object count matches');
+
+ for my $cd (@random_cds) {
+ if ($cd->year == 1977) {
+ is( scalar $cd->tracks, 0, 'no tracks on 1977 cd' );
+ is( $cd->single_track, undef, 'no single_track on 1977 cd' );
+ }
+ elsif ($cd->year == 1976) {
+ is( scalar $cd->tracks, 2, 'Two tracks on 1976 cd' );
+ like( $_->title, qr/^o\d/, "correct title" )
+ for $cd->tracks;
+ is( $cd->single_track, undef, 'no single_track on 1976 cd' );
+ }
+ elsif ($cd->year == 1981) {
+ is( scalar $cd->tracks, 4, 'Four tracks on 1981 cd' );
+ like( $_->title, qr/^m\d/, "correct title" )
+ for $cd->tracks;
+ is( $cd->single_track, undef, 'no single_track on 1981 cd' );
+ }
+ elsif ($cd->year == 1978) {
+ is( scalar $cd->tracks, 3, 'Three tracks on 1978 cd' );
+ like( $_->title, qr/^e\d/, "correct title" )
+ for $cd->tracks;
+ ok( defined $cd->single_track, 'single track prefetched on 1987 cd' );
+ # FIXME - crap! skipping prefetch also doesn't work, next commit
+ #is( $cd->single_track->cd->artist->id, 1, 'Single_track->cd->artist prefetched on 1978 cd' );
+ #is( scalar $cd->single_track->cd->artist->cds, 6, '6 cds prefetched on artist' );
+ }
+ }
+}
+
+$schema->storage->debugcb(undef);
+$schema->storage->debug($orig_debug);
+is ($queries, 2, "Only two queries for rwo prefetch calls total");
+
+# can't is_deeply a random set - need *some* order
+my @hris = sort { $a->{year} cmp $b->{year} } @{$rs->search({}, {
+ order_by => [ 'tracks_2.title', 'tracks.title', 'cds.cdid', \ 'RANDOM()' ],
+})->all_hri};
+is (@hris, 6, 'hri count matches' );
+
+is_deeply (\@hris, [
+ {
+ single_track => undef,
+ tracks => [
+ {
+ cd => 2,
+ title => "o1"
+ },
+ {
+ cd => 2,
+ title => "o2"
+ }
+ ],
+ year => 1976
+ },
+ {
+ single_track => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ single_track => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ single_track => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ single_track => {
+ cd => {
+ artist => {
+ artistid => 1,
+ cds => [
+ {
+ cdid => 4,
+ genreid => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ cdid => 5,
+ genreid => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ cdid => 6,
+ genreid => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ cdid => 3,
+ genreid => 1,
+ tracks => [
+ {
+ title => "e1"
+ },
+ {
+ title => "e2"
+ },
+ {
+ title => "e3"
+ }
+ ],
+ year => 1978
+ },
+ {
+ cdid => 1,
+ genreid => 1,
+ tracks => [
+ {
+ title => "m1"
+ },
+ {
+ title => "m2"
+ },
+ {
+ title => "m3"
+ },
+ {
+ title => "m4"
+ }
+ ],
+ year => 1981
+ },
+ {
+ cdid => 2,
+ genreid => undef,
+ tracks => [
+ {
+ title => "o1"
+ },
+ {
+ title => "o2"
+ }
+ ],
+ year => 1976
+ }
+ ]
+ }
+ },
+ trackid => 6
+ },
+ tracks => [
+ {
+ cd => 3,
+ title => "e1"
+ },
+ {
+ cd => 3,
+ title => "e2"
+ },
+ {
+ cd => 3,
+ title => "e3"
+ },
+ ],
+ year => 1978
+ },
+ {
+ single_track => undef,
+ tracks => [
+ {
+ cd => 1,
+ title => "m1"
+ },
+ {
+ cd => 1,
+ title => "m2"
+ },
+ {
+ cd => 1,
+ title => "m3"
+ },
+ {
+ cd => 1,
+ title => "m4"
+ },
+ ],
+ year => 1981
+ },
+], 'W00T, multi-has_many manual underdefined root prefetch with collapse works');
+
done_testing;
projects / dbsrgits/DBIx-Class.git / blobdiff